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https://github.com/hardkernel/linux.git
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230015ed6a
- Refactor DMA interactions to handle continuous single-buffered DMA - Remove PIO support (obsolete, conflicts with new buffer management) - Remove sample rate conversion (obsolete) - Remove error-reporting logic - Remove TEGRA_AUDIO_IN/OUT_GET/SET_BUF_CONFIG - Add TEGRA_AUDIO_IN/OUT_GET/SET_NUM_BUFS Change-Id: I8f21a0bb314aac3b7d1bb4918bda9141e58db38d Signed-off-by: Iliyan Malchev <malchev@google.com>
58 lines
1.7 KiB
C
58 lines
1.7 KiB
C
/* include/linux/tegra_audio.h
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*
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* Copyright (C) 2010 Google, Inc.
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*
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* Author:
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* Iliyan Malchev <malchev@google.com>
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#ifndef _TEGRA_AUDIO_H
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#define _TEGRA_AUDIO_H
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#include <linux/ioctl.h>
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#define TEGRA_AUDIO_MAGIC 't'
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#define TEGRA_AUDIO_IN_START _IO(TEGRA_AUDIO_MAGIC, 0)
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#define TEGRA_AUDIO_IN_STOP _IO(TEGRA_AUDIO_MAGIC, 1)
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struct tegra_audio_in_config {
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int rate;
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int stereo;
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};
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#define TEGRA_AUDIO_IN_SET_CONFIG _IOW(TEGRA_AUDIO_MAGIC, 2, \
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const struct tegra_audio_in_config *)
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#define TEGRA_AUDIO_IN_GET_CONFIG _IOR(TEGRA_AUDIO_MAGIC, 3, \
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struct tegra_audio_in_config *)
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#define TEGRA_AUDIO_IN_SET_NUM_BUFS _IOW(TEGRA_AUDIO_MAGIC, 4, \
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const unsigned int *)
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#define TEGRA_AUDIO_IN_GET_NUM_BUFS _IOW(TEGRA_AUDIO_MAGIC, 5, \
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unsigned int *)
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#define TEGRA_AUDIO_OUT_SET_NUM_BUFS _IOW(TEGRA_AUDIO_MAGIC, 6, \
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const unsigned int *)
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#define TEGRA_AUDIO_OUT_GET_NUM_BUFS _IOW(TEGRA_AUDIO_MAGIC, 7, \
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unsigned int *)
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#define TEGRA_AUDIO_OUT_FLUSH _IO(TEGRA_AUDIO_MAGIC, 10)
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#define TEGRA_AUDIO_BIT_FORMAT_DEFAULT 0
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#define TEGRA_AUDIO_BIT_FORMAT_DSP 1
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#define TEGRA_AUDIO_SET_BIT_FORMAT _IOW(TEGRA_AUDIO_MAGIC, 11, \
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const unsigned int *)
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#define TEGRA_AUDIO_GET_BIT_FORMAT _IOR(TEGRA_AUDIO_MAGIC, 12, \
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unsigned int *)
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#endif/*_CPCAP_AUDIO_H*/
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